Question

361x2-684xy+324y2 factorise​

Answer 1

Step-by-step explanation:

$361x {}^{2} - 684xy + 324y {}^{2}$

$a {}^{2} - b {}^{2} = (a + b)(a - b)$

$(361x - 684xy + 324y)(361x - 684xy - 324y)$